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- oxide cathode vacuum tube 氧化物阴极电子管
- Diangong Heat tube Vacuum tube heat collector. 电工太阳能热管真空管集热器.
- Diangong Solar vacuum tube heat collector. 电工太阳能真空管集热器.
- Not any air gets into the vacuum tube. 没有空气能进入真空管。
- John Ambrose Fleming invents the vacuum tube. 1904年的今天，约翰·安布鲁斯·弗莱明发明了真空管。
- An electron tube or a vacuum tube. 电子管或真空管。
- Lee de Forest invents the vacuum tube. 李.;德福雷斯特发明电子管。
- The effect of second anode action on the cathode vacuum arc discharge stability in the cathode arc deposition technology is studied. 研究了阴极弧等离子体沉积中第二阳极现象改善弧放电稳定性的作用。
- A specific vacuum tube which converts light into electrical energy. 把光转换成电能的一种真空管。
- Cathode ray tube (CRT): An electronic vacuum tube containing a geated filament as cathode, which generates electons, an anode and multiple grids for accelerating the electrons to a flat screen at the end of the tube. 阴极射线管:是电子真空管，它有着炽热灯丝，作为阴极，发出电子，并由阳极和多层栅极把电子加速射向管末端萤幕上；
- The principle of operation of the scandium oxide dispensing oxide cathode is researched. The effect of scandium in oxide cathode is analyzed. A emission function considering distribution is given. 摘要研究了普通氧化物阴极掺入氧化钪之后的效果，并对机理给出了一种解释。
- The cathode vacuum arc ion source and ion implantation facility have been developed in our institute for industrial application of surface modification of materials. 摘要为发展金属离子束材料表面改性技术的工业应用，北师大低能核物理所研制成阴极真空弧离子源和离子注入装置。
- Heat resistance soft vacuum tube avoids damage by hot nozzle. 防热真空软管,免被热吸咀误损。
- Battery used to maintain the grid potential in a vacuum tube. 能够保持潜藏在真空管内的栅格的电池。
- Vacuum tubes require DC voltage sources as well. 真空电子管也要求以直流电压为电源。
- Vacuum tube amplifiers used the first time in coast-to-coast telco circuits. 真空管放大器首次用于大西洋岸至太平洋岸的电信电路中。
- The ancestor of these miniature electronic devices is the vacuum tube. 这些微型电子装置的鼻祖就是真空管。
- Or to reduce cost, add bassoon span of purpose, reduce vacuum tube amount. 或者为了降低成本，有意增大管间距，减少真空管数量。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- Technique Improvement of the Ni Sponge Oxide Cathode Ni海绵氧化物阴极制备技术改进
